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EP1249834A3 - Information recording with effective pulse control scheme - Google Patents

Information recording with effective pulse control scheme Download PDF

Info

Publication number
EP1249834A3
EP1249834A3 EP02252572A EP02252572A EP1249834A3 EP 1249834 A3 EP1249834 A3 EP 1249834A3 EP 02252572 A EP02252572 A EP 02252572A EP 02252572 A EP02252572 A EP 02252572A EP 1249834 A3 EP1249834 A3 EP 1249834A3
Authority
EP
European Patent Office
Prior art keywords
heating
cooling
information recording
control scheme
pulse control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02252572A
Other languages
German (de)
French (fr)
Other versions
EP1249834B1 (en
EP1249834A2 (en
Inventor
Michiharu Abe
Michiaki Shinotsuka
Kenya Yokoi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2001113459A external-priority patent/JP2002312934A/en
Priority claimed from JP2001135211A external-priority patent/JP4480295B2/en
Priority claimed from JP2001287272A external-priority patent/JP4643086B2/en
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of EP1249834A2 publication Critical patent/EP1249834A2/en
Publication of EP1249834A3 publication Critical patent/EP1249834A3/en
Application granted granted Critical
Publication of EP1249834B1 publication Critical patent/EP1249834B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G11B7/00456—Recording strategies, e.g. pulse sequences
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/006—Overwriting
    • G11B7/0062—Overwriting strategies, e.g. recording pulse sequences with erasing level used for phase-change media
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)

Abstract

An input bit sequence with predetermined bit periods T is converted into a corresponding light-emission waveform; and a beam with the thus-obtained light-emission waveform is applied onto a phase-change optical disk so as to record the input bit sequence thereon. The light-emission waveform comprises a heating pulse for heating the recording medium occurring for an interval tw and a cooling pulse for cooling the recording medium occurring for an interval tc, and the intervals tw and tc on the heating/cooling pulses satisfy the following requirement in case the heating/cooling pulses occur alternately with repetition: 1.5T ≤ tw + tc ≤ 3T.
EP02252572A 2001-04-12 2002-04-10 Information recording with effective pulse control scheme Expired - Lifetime EP1249834B1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2001113459 2001-04-12
JP2001113459A JP2002312934A (en) 2001-04-12 2001-04-12 Method and device for recording information
JP2001135211A JP4480295B2 (en) 2001-05-02 2001-05-02 Information recording method, information recording apparatus, and information processing apparatus
JP2001135211 2001-05-02
JP2001287272A JP4643086B2 (en) 2001-09-20 2001-09-20 Information recording method and information recording apparatus
JP2001287272 2001-09-20

Publications (3)

Publication Number Publication Date
EP1249834A2 EP1249834A2 (en) 2002-10-16
EP1249834A3 true EP1249834A3 (en) 2005-05-04
EP1249834B1 EP1249834B1 (en) 2012-09-12

Family

ID=27346520

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02252572A Expired - Lifetime EP1249834B1 (en) 2001-04-12 2002-04-10 Information recording with effective pulse control scheme

Country Status (2)

Country Link
US (1) US6801240B2 (en)
EP (1) EP1249834B1 (en)

Families Citing this family (35)

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Publication number Priority date Publication date Assignee Title
JP4560251B2 (en) * 2001-09-10 2010-10-13 パイオニア株式会社 Information recording apparatus and information recording method
CN1248201C (en) * 2001-10-02 2006-03-29 松下电器产业株式会社 optical information recording method, regenerater and medium
TW571297B (en) * 2001-12-31 2004-01-11 M E T Technology Co Ltd Method to increase the successful burning rate for burning optical disk
JP3521141B2 (en) * 2002-01-08 2004-04-19 株式会社リコー Information recording device
KR100455377B1 (en) * 2002-01-18 2004-11-06 삼성전자주식회사 Apparatus and method for generating recording pulse suitable for various optical media
US7376064B2 (en) * 2002-02-25 2008-05-20 Samsung Electronics Co., Ltd. Method and apparatus for recording data on optical recording medium
US7260053B2 (en) * 2002-04-02 2007-08-21 Ricoh Company, Ltd. Optical recording medium, process for manufacturing the same, sputtering target for manufacturing the same, and optical recording process using the same
JP2003317395A (en) * 2002-04-15 2003-11-07 Pioneer Electronic Corp Information recording device and information recording method
JP3820181B2 (en) * 2002-05-10 2006-09-13 株式会社リコー Recording strategy generation method and optical information recording medium
JP4249590B2 (en) * 2002-11-18 2009-04-02 株式会社リコー Optical information recording medium and manufacturing method thereof
EP1422712B1 (en) * 2002-11-21 2007-08-01 Matsushita Electric Industrial Co., Ltd. Method and apparatus for adjusting a recording pulse using data from the user area of an optical disk.
TWI261825B (en) * 2002-12-16 2006-09-11 Hitachi Maxell Data recording method and data recording medium
JP3996051B2 (en) * 2002-12-18 2007-10-24 株式会社リコー Optical recording method
JP3977740B2 (en) * 2002-12-27 2007-09-19 株式会社リコー Phase change optical recording medium and recording method thereof
JP2004220663A (en) * 2003-01-10 2004-08-05 Pioneer Electronic Corp Optical beam output control unit, optical pickup system, optical beam emitting control method, optical beam emitting control program and recording medium recorded with it
CN101276605B (en) * 2003-02-19 2012-11-21 日本胜利株式会社 Optical recording method, optical recording medium, optical recording medium recording device, optical recording device, optical disk, optica disk recording/reproducing device
EP1598816A4 (en) * 2003-02-28 2008-12-31 Pioneer Corp Information recording device and information recording method
JP4602648B2 (en) * 2003-07-15 2010-12-22 株式会社リコー Information recording method and information recording apparatus
KR100889715B1 (en) * 2003-07-18 2009-03-23 미츠비시 가가쿠 메디아 가부시키가이샤 Optical recording method
EP1652176A1 (en) * 2003-07-24 2006-05-03 Koninklijke Philips Electronics N.V. Method and device for transforming a first set of write parameters of a write strategy into a second set of write parameters at a different recording speed
JP3572068B1 (en) * 2003-08-28 2004-09-29 株式会社リコー Information recording method, optical information recording medium, and information recording device
WO2005038788A1 (en) * 2003-10-17 2005-04-28 Mitsubishi Kagaku Media Co., Ltd. Optical recording method
JP4102289B2 (en) * 2003-11-07 2008-06-18 株式会社日立製作所 Information recording method, information recording apparatus, and evaluation apparatus
JP4136980B2 (en) * 2004-03-19 2008-08-20 株式会社リコー Multi-layer phase change information recording medium and recording / reproducing method thereof
JP4382646B2 (en) * 2004-05-17 2009-12-16 株式会社リコー Optical recording medium and manufacturing method thereof
US20050270959A1 (en) * 2004-06-02 2005-12-08 Hiroyuki Iwasa Recording method for optical recording medium, and optical recording apparatus
CN100538835C (en) 2004-07-16 2009-09-09 皇家飞利浦电子股份有限公司 Optimization with label record to the Information Level of record carrier the method for writing power and use the pen recorder of this optimization method
WO2006093341A1 (en) * 2005-03-02 2006-09-08 Ricoh Company, Ltd. Optical recording medium, multi-layered optical recording medium, and optical recording method and recording apparatus using the same
CA2610151A1 (en) 2005-06-03 2006-12-07 Koninklijke Philips Electronics N.V. Method and device for recording marks in an information layer of an optical disc
US8000198B2 (en) * 2005-06-06 2011-08-16 Ricoh Company, Ltd. Phase-change type optical recording medium and reproduction method and apparatus for such a recording medium
US8014096B2 (en) * 2009-03-13 2011-09-06 Hitachi Global Storage Technologies, Netherlands B.V. Combined bulk thermal-assister and bulk eraser
US8289821B1 (en) 2010-12-21 2012-10-16 Western Digital (Fremont), Llc Method and system for pulsing EAMR disk drives
US8908480B1 (en) 2012-09-28 2014-12-09 Western Digital Technologies, Inc. Method and system for providing an energy assisted magnetic recording disk drive using a pulsed laser light
US8891341B1 (en) 2013-03-11 2014-11-18 Western Digital Technologies, Inc. Energy assisted magnetic recording disk drive using modulated laser light
US9064525B2 (en) 2013-11-26 2015-06-23 Western Digital Technologies, Inc. Disk drive comprising laser transmission line optimized for heat assisted magnetic recording

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0388271A2 (en) * 1989-03-13 1990-09-19 Nikon Corporation Apparatus for optically recording information signal onto a recording medium
JPH09134525A (en) * 1995-11-08 1997-05-20 Ricoh Co Ltd Information-recording method
US5732062A (en) * 1995-10-16 1998-03-24 Ricoh Company, Ltd. Information recording apparatus, method and computer program product
WO2001004885A1 (en) * 1999-07-07 2001-01-18 Koninklijke Philips Electronics N.V. Method and device for recording marks in an information layer of an optical record carrier

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
JP3124720B2 (en) 1995-04-14 2001-01-15 株式会社リコー Information recording / reproducing method, information recording / reproducing device, and information recording medium
JP2534988B2 (en) 1986-04-30 1996-09-18 株式会社リコー Information signal reproduction method
US5105416A (en) 1988-03-14 1992-04-14 Ricoh Company, Ltd. Optical disc recording/reproducing control
JP2815998B2 (en) 1990-03-14 1998-10-27 株式会社リコー Reproduction method of optical information
JPH0528498A (en) 1991-07-19 1993-02-05 Ricoh Co Ltd Photoirradiation method and optical information recording medium and recording method and reproducing method using this medium
JPH05120727A (en) 1991-10-28 1993-05-18 Ricoh Co Ltd Optical recording medium and method for recording or reproducing information to or from this medium
JP2899551B2 (en) 1994-09-22 1999-06-02 株式会社リコー Information recording method and information recording device
DE69529442T2 (en) 1994-09-22 2003-11-20 Ricoh Co., Ltd. Information recording method and device
JP3124721B2 (en) 1995-09-11 2001-01-15 株式会社リコー Optical information recording / reproducing method and optical information recording / reproducing device
JPH11175976A (en) 1997-12-09 1999-07-02 Hitachi Ltd Information recording device
JP3734621B2 (en) 1998-07-03 2006-01-11 株式会社リコー Optical information recording method and apparatus
JP4063978B2 (en) 1998-07-03 2008-03-19 株式会社リコー Information recording method
US6487149B1 (en) 1998-10-09 2002-11-26 Ricoh Company, Ltd. Optical recording and reproducing methods for optical disk
US6459666B1 (en) * 1999-09-06 2002-10-01 Ricoh Company, Ltd. Information recording apparatus and method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0388271A2 (en) * 1989-03-13 1990-09-19 Nikon Corporation Apparatus for optically recording information signal onto a recording medium
US5732062A (en) * 1995-10-16 1998-03-24 Ricoh Company, Ltd. Information recording apparatus, method and computer program product
JPH09134525A (en) * 1995-11-08 1997-05-20 Ricoh Co Ltd Information-recording method
WO2001004885A1 (en) * 1999-07-07 2001-01-18 Koninklijke Philips Electronics N.V. Method and device for recording marks in an information layer of an optical record carrier

Also Published As

Publication number Publication date
EP1249834B1 (en) 2012-09-12
US20020196324A1 (en) 2002-12-26
EP1249834A2 (en) 2002-10-16
US6801240B2 (en) 2004-10-05

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